support Vim command mode in read mode

.gitignore

@@ -1,6 +0,0 @@
-.DS_Store
-
-.idea
-
-VNote.pro.user
-VNote.pro.user.*

src/resources/docs/shortcuts_en.md

@@ -38,18 +38,30 @@ Zoom in/out the page through the mouse scroll.
 - `Ctrl+0`  
 Recover the page zoom factor to 100%.
 - Jump between titles
-    - `[[`: jump to previous title;
-    - `]]`: jump to next title;
-    - `[]`: jump to previous title at the same level;
-    - `][`: jump to next title at the same level;
-    - `[{`: jump to previous title at a higher level;
-    - `]}`: jump to next title at a higher level;
+    - `<N>[[`: jump to previous `N` title;
+    - `<N>]]`: jump to next `N` title;
+    - `<N>[]`: jump to previous `N` title at the same level;
+    - `<N>][`: jump to next `N` title at the same level;
+    - `<N>[{`: jump to previous `N` title at a higher level;
+    - `<N>]}`: jump to next `N` title at a higher level;
+- `/` or `?` to search forward or backward
+    - `N`: find next match;
+    - `Shift+N`: find previous match;
+- `:` for Vim command
+    - `:q`: close current note;
+    - `:noh[lsearch]`: clear search highlights;
 
 ### Edit Mode
 - `Ctrl+S`  
 Save current changes.
 - `Ctrl+T`  
 Save current changes and exit edit mode.
+- `Ctrl + +/-`    
+Zoom in/out the page.
+- `Ctrl+Wheel`    
+Zoom in/out the page through the mouse scroll.
+- `Ctrl+0`  
+Recover the page zoom factor to 100%.
 
 #### Text Editing
 - `Ctrl+B`  
@@ -252,7 +264,7 @@ VNote supports following features of Vim:
 - `zz`, `zb`, `zt`;
 - `u` and `Ctrl+R` for undo and redo;
 - Text objects `i/a`: word, WORD, `''`, `""`, `` ` ` ``, `()`, `[]`, `<>`, and `{}`;
-- Command line `:w`, `:wq`, `:x`, `:q`, `:q!`, and `:nohlsearch`;
+- Command line `:w`, `:wq`, `:x`, `:q`, `:q!`, and `:noh[lsearch]`;
 - Jump between titles
     - `[[`: jump to previous title;
     - `]]`: jump to next title;

src/resources/docs/shortcuts_zh.md

@@ -38,18 +38,30 @@
 - `Ctrl+0`  
 恢复页面大小为100%。
 - 标题跳转
-    - `[[`：跳转到上一个标题；
-    - `]]`: 跳转到下一个标题；
-    - `[]`：跳转到上一个同层级的标题；
-    - `][`：跳转到下一个同层级的标题；
-    - `[{`：跳转到上一个高一层级的标题；
-    - `]}`：跳转到下一个高一层级的标题；
+    - `<N>[[`：跳转到上`N`个标题；
+    - `<N>]]`: 跳转到下`N`个标题；
+    - `<N>[]`：跳转到上`N`个同层级的标题；
+    - `<N>][`：跳转到下`N`个同层级的标题；
+    - `<N>[{`：跳转到上`N`个高一层级的标题；
+    - `<N>]}`：跳转到下`N`个高一层级的标题；
+- `/`或`?`向前或向后查找
+    - `N`：查找下一个匹配；
+    - `Shift+N`：查找上一个匹配；
+- `:`执行Vim命令
+    - `:q`：关闭当前笔记；
+    - `:noh[lsearch]`：清空查找高亮；
 
 ### 编辑模式
 - `Ctrl+S`  
 保存当前更改。
 - `Ctrl+T`  
 保存当前更改并退出编辑模式。
+- `Ctrl + +/-`    
+放大/缩小页面。
+- `Ctrl+Wheel`    
+鼠标滚轮实现放大/缩小页面。
+- `Ctrl+0`  
+恢复页面大小为100%。
 
 #### 文本编辑
 - `Ctrl+B`  
@@ -253,7 +265,7 @@ VNote支持以下几个Vim的特性：
 - `zz`, `zb`, `zt`;
 - `u` 和 `Ctrl+R` 撤销和重做；
 - 文本对象 `i/a`：word, WORD, `''`, `""`, `` ` ` ``, `()`, `[]`, `<>`, `{}`;
-- 命令行 `:w`, `:wq`, `:x`, `:q`, `:q!`, `:nohlsearch`;
+- 命令行 `:w`, `:wq`, `:x`, `:q`, `:q!`, `:noh[lsearch]`;
 - 标题跳转
     - `[[`：跳转到上一个标题；
     - `]]`: 跳转到下一个标题；
@@ -266,6 +278,7 @@ VNote支持以下几个Vim的特性：
     - `Ctrl+N` 和 `Ctrl+P` 浏览查找历史；
 - `Ctrl+R` 读取指定寄存器的值；
 - `Ctrl+O` 在插入模式中临时切换为正常模式；
+- `/`
 
 VNote目前暂时不支持Vim的宏和重复(`.`)特性。
 

src/utils/vvim.cpp

@@ -5835,7 +5835,7 @@ bool VVim::executeCommand(const QString &p_cmd)
     Q_ASSERT(m_tokens.isEmpty() && m_keys.isEmpty());
     if (p_cmd.isEmpty()) {
         return true;
-    }else if (p_cmd.size() == 1) {
+    } else if (p_cmd.size() == 1) {
         if (p_cmd == "w") {
             // :w, save current file.
             emit m_editor->object()->saveNote();
@@ -5864,7 +5864,7 @@ bool VVim::executeCommand(const QString &p_cmd)
         } else {
             validCommand = false;
         }
-    } else if (p_cmd == "nohlsearch") {
+    } else if (p_cmd == "nohlsearch" || p_cmd == "noh") {
         // :nohlsearch, clear highlight search.
         clearSearchHighlight();
     } else {

src/veditwindow.cpp

@@ -285,7 +285,9 @@ void VEditWindow::removeEditTab(int p_index)
     Q_ASSERT(p_index > -1 && p_index < tabBar()->count());
 
     VEditTab *editor = getTab(p_index);
+
     removeTab(p_index);
+
     delete editor;
 }
 

src/vmdtab.cpp

@@ -696,6 +696,16 @@ void VMdTab::handleWebKeyPressed(int p_key, bool p_ctrl, bool p_shift)
 
         break;
 
+    // :
+    case 186:
+        if (!p_ctrl && p_shift) {
+            VVim::CommandLineType type = VVim::CommandLineType::Command;
+
+            emit triggerVimCmd(type);
+        }
+
+        break;
+
     // n or N
     case 78:
         if (!p_ctrl) {
@@ -1078,8 +1088,6 @@ void VMdTab::handleVimCmdCommandCancelled()
         if (vim) {
             vim->processCommandLineCancelled();
         }
-    } else {
-        m_webViewer->findText("");
     }
 }
 
@@ -1091,13 +1099,16 @@ void VMdTab::handleVimCmdCommandFinished(VVim::CommandLineType p_type, const QSt
             vim->processCommandLine(p_type, p_cmd);
         }
     } else {
-        Q_ASSERT(p_type == VVim::CommandLineType::SearchForward
-                 || p_type == VVim::CommandLineType::SearchBackward);
-        m_lastSearchItem = VVim::fetchSearchItem(p_type, p_cmd);
-        findTextInWebView(m_lastSearchItem.m_text,
-                          m_lastSearchItem.m_options,
-                          false,
-                          m_lastSearchItem.m_forward);
+        if (p_type == VVim::CommandLineType::SearchForward
+            || p_type == VVim::CommandLineType::SearchBackward) {
+            m_lastSearchItem = VVim::fetchSearchItem(p_type, p_cmd);
+            findTextInWebView(m_lastSearchItem.m_text,
+                              m_lastSearchItem.m_options,
+                              false,
+                              m_lastSearchItem.m_forward);
+        } else {
+            executeVimCommandInWebView(p_cmd);
+        }
     }
 }
 
@@ -1111,10 +1122,11 @@ void VMdTab::handleVimCmdCommandChanged(VVim::CommandLineType p_type, const QStr
             vim->processCommandLineChanged(p_type, p_cmd);
         }
     } else {
-        Q_ASSERT(p_type == VVim::CommandLineType::SearchForward
-                 || p_type == VVim::CommandLineType::SearchBackward);
-        VVim::SearchItem item = VVim::fetchSearchItem(p_type, p_cmd);
-        findTextInWebView(item.m_text, item.m_options, true, item.m_forward);
+        if (p_type == VVim::CommandLineType::SearchForward
+            || p_type == VVim::CommandLineType::SearchBackward) {
+            VVim::SearchItem item = VVim::fetchSearchItem(p_type, p_cmd);
+            findTextInWebView(item.m_text, item.m_options, true, item.m_forward);
+        }
     }
 }
 
@@ -1159,3 +1171,30 @@ QString VMdTab::handleVimCmdRequestRegister(int p_key, int p_modifiers)
 
     return QString();
 }
+
+bool VMdTab::executeVimCommandInWebView(const QString &p_cmd)
+{
+    bool validCommand = true;
+    QString msg;
+
+    if (p_cmd.isEmpty()) {
+        return true;
+    } else if (p_cmd == "q") {
+        // :q, close the note.
+        emit closeRequested(this);
+        msg = tr("Quit");
+    } else if (p_cmd == "nohlsearch" || p_cmd == "noh") {
+        // :nohlsearch, clear highlight search.
+        m_webViewer->findText("");
+    } else {
+        validCommand = false;
+    }
+
+    if (!validCommand) {
+        g_mainWin->showStatusMessage(tr("Not an editor command: %1").arg(p_cmd));
+    } else {
+        g_mainWin->showStatusMessage(msg);
+    }
+
+    return validCommand;
+}

src/vmdtab.h

@@ -198,6 +198,8 @@ private:
 
     void textToHtmlViaWebView(const QString &p_text);
 
+    bool executeVimCommandInWebView(const QString &p_cmd);
+
     VMdEditor *m_editor;
     VWebView *m_webViewer;
     VDocument *m_document;